Finding the Fourth Proportional to 2,811,338.18, 4,217,419.44 and 891,609.14
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Solution
The fourth proportional to 2,811,338.18, 4,217,419.44 and 891,609.14 is: 1,337,544.43
Step by Step Solution
- Step 1: Write the proportion equation
2,811,338.18 : 4,217,419.44 = 891,609.14 : x - Step 2: Convert to fraction form
2,811,338.18/4,217,419.44 = 891,609.14/x - Step 3: Cross multiply
2,811,338.18x = 4,217,419.44 × 891,609.14 - Step 4: Simplify right side
2,811,338.18x = 3,760,289,719,917.68 - Step 5: Solve for x
x = 3,760,289,719,917.68/2,811,338.18 - Step 6: Final answer
x = 1,337,544.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.